NSN 5305-01-157-2180 571286, 01-157-2180, 011572180
Product Details | SOCKET HEAD CAP SCREW
5305-01-157-2180 An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.
Part Alternates: 571286, 5305-01-157-2180, 01-157-2180, 5305011572180, 011572180
Hardware and Abrasives | Screws
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 01 JUL 1983 | 01-157-2180 | 16282 ( SCREW, CAP, SOCKET HEAD ) |
Drawings & Photos | NSN 5305-01-157-2180
Cross Reference | NSN 5305-01-157-2180
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 571286 | 21450 | ARMY WEAPONS COMMAND ATTN AMSWE-REE-S |
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Technical Data | NSN 5305-01-157-2180
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.312 INCHES |
| THREAD QUANTITY PER INCH | 24 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.500 INCHES NOMINAL |
| FASTENER LENGTH | 1.500 INCHES NOMINAL |
| MATERIAL | STEEL OVERALL |
| SURFACE TREATMENT | PHOSPHATE OVERALL |
| HEAD STYLE | C49 FLAT CHAMFER |
| HEAD DIAMETER | 0.429 INCHES MINIMUM AND 0.437 INCHES MAXIMUM |
| HEAD HEIGHT | 0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | D5 HEXAGON |
| WIDTH ACROSS FLATS | 0.218 INCHES MINIMUM AND 0.221 INCHES MAXIMUM |
| MANUFACTURERS CODE | 21450 |
| DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | 571286 |
Restrictions/Controls & Freight Information | NSN 5305-01-157-2180
| Category | Code | Description |
|---|---|---|
| Hazardous Material Indicator Code | N | There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials |
| Demilitarization Code: | A | Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. |
| Precious Metals Indicator Code: | U | Precious metal type is unknown |
| Criticality Code: | X | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||